{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["protein", "RNA", "cell type", "DNA", "cell line"], "input": "Using purified recombinant p50 , p65 , and c-Rel proteins , optimal DNA-binding motifs were selected from a pool of random oligonucleotides ."}
{"protein": ["p50", "p65", "c-Rel proteins"], "RNA": [], "cell type": [], "DNA": ["optimal DNA-binding motifs"], "cell line": []}